Reject assertion he has right to waive rules to protect US security WASHINGTON -- Three key Republican senators yesterday condemned President Bush's assertion that his powers as commander in chief give him the authority to bypass a new law restricting the use of torture when interrogating detainees. John W. Warner Jr., a Virginia Republican who chairs the Senate Armed Services Committee, and Senator John McCain, an Arizona Republican, issued a joint statement rejecting Bush's assertion that he can waive the restrictions on the use of cruel, inhuman, and degrading treatment against detainees to protect national security. ''We believe the president...